<table border="1" style="width: 90%; height: 800px; width: 100%; padding: 0;" cellspacing="0" cellpadding="0">
    <tr>
        <td style="height: 50px">
            <div style="border: 2; border-color: black" location="header">
            </div>
        </td>
    </tr>
    <tr>
        <td style="vertical-align: top; background-color: lightblue">
            <div location="center"></div>
        </td>
    </tr>
    <tr>
        <td style="height: 30px; background-color: beige;">
            <div location="footer" ></div>
        </td>
    </tr>
</table>